>> GENERAL >>>>>
– medium-sized passerine, distinctly larger than House Sparrow
– nocturnal migrant
– they probably migrate singly
>> VISUAL ID >>>>>
Barred Warbler Sylvia n. nisoria, M
BIF2287, 27/06/2014, Jüterbog, Germany, Mathias Putze
Barred Warbler Sylvia n. nisoria, M
BIF2288, 27/06/2014, Jüterbog, Germany, Mathias Putze
>> ACOUSTIC ID >>>>>
is supposed to be non-vocal on migration – no reliable evidence about flight calls
>> COMPARISON SPECIES >>>>>
Red-backed Shrike (JUV, F) (v)
#passerine #songbird #warbler
#ornithology #birdmigration #birdID #birdguide #birding #birdwatching #birdsound #westernpalearctic #europe #vismig #flightcalls #vismig #flightcalls #middleeast #northernafrica #workinprogress